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HomeMy WebLinkAbout105F ARC FLASH AND FAULT CURRENT - 23-00908 - Aveyo Solar - AdditionOfficial (as one object) Grouped One object Web Sites: https://www.rockymountainpower.net/working-with-us/business-customers/arc-flash-fault-current.html https://www.pacificpower.net/working-with-us/business-customers/arc-flash-fault-current.html Revisions Cover Sheet - Added revision table Fault Current Infinit Bus - Table 2: 208Y/120 Three Phase Pad Mounted Transformer, added impedance data for 1000kVA transformers Request Form and Site Data Sheets: Updated options in delivery voltage dropdown list Fault Current Infinit Bus - Table 6: 480/240 Single-Phase, Pad-Mounted and Overhead Transformers , new table added impedance data for 480/240V service voltages Date 2/6/2020 2/6/2020 3/24/2020 11/16/2020 R8 R9 R10 Arc Flash and Secondary Fault Current Data Request Form (Field Engineer sends this Form to Customer. Customer fill's out Form and returns it to Field Engineer) Please submit a separate request for each site by duplicating this tab. Steps: 1) Fill in "Requestor Information, 2) Right click "Request Form (Customer) tab, 3) Move or Copy, 4) Select "Request Form (Customer), 5) Check "Create a Copy", 6) OK. Complete "Facility Location" section for each site. Requester Information Mailing Address Facility Location Figure #1: Facility Point Examples Pad Mounted Transformer Date of Request Company Name Contact Name Street Number City, State, Zip Phone Numbers Email address Company Name Facility Name * Facility Point Number If possible provide a photo of the facility point tag. Please paste the photo in the cell to the right. Meter Number * Delivery Voltage * Phase * Required Information 3/7/2024 Copper Canyon Electric Andrew Chase 460 W 4th S Rexburg, ID, 83401 Main: Cell: coppercanyonelectric@yahoo.com Rexburg Building LLC 03106040.0300406 348188424, 348188425 Three Phase: 208Y/120V, 4-Wire Three Phase 208-709-2387 Pole Mounted Transformers Facility Point # = 05218092-173500 Data for Drop Down Menu Voltage Dropdown Menu Single Phase: 120V, 2-Wire Single Phase: 120/240, 3-Wire Single Phase: 240/480, 3-Wire Three Phase: 208Y/120V, 4-Wire Three Phase: 480Y/277V, 4-Wire Three Phase: ∆ 120/240V, 4-wire Three Phase: ∆ 240/480V, 4-wire Three Phase: ∆ 480V, 3-Wire Primary Delivery/Customer Owned Transformer Other Phase Dropdown Menu Single Phase Three Phase Service Center Field Engineer Site Data For Arc Flash request Field Engineer completes this Form and sends to Customer. For Secondary Fault current request Field Engineer provides the transformer size information only. Primary System Fault Amps & Impedances Transformer & Service Diagram Address Phone Number Rexburg, Idaho 170 W 2nd N Chance Russell 208-479-1674 Facility Information District Substation Circuit Facility Point # Primary System Voltage Transformer Connection Transformer Size / Type Delivery Voltage (1) Transformer %Z Secondary Conductor (2) Secondary Length (2) (1) Voltage as confirmed by Customer (2) Secondary conductor information is provided when available. If service is primary metered only the primary system impedance at meter point is provided. Protection Transformer Fusing Field Engineer Provides: Arc Flash Request: 1) System Impedance on primary side of distribution transformers 2) "Fault Current Infinite Bus" tables showing average transformer impedances 3) Transformer fusing information Secondary Fault Current Request: 1) Transformer size 2) "Fault Current Infinite Bus" tables NUI Rexburg RXB13 03106040.0300406 12.47Y 3ph GrdWye-GrdWye 500kVA Three Phase: 208Y/120V, 4-Wire See Fault Current Infinite Bus Tab UG - QX <100' See Fusing Tabs Padmount Data for drop down Menu Voltages 2.4∆ 4.16Y 4.16∆ 7.2Y 7.2∆ 7.62∆ 12.47Y 13.2Y 12∆ 20.8Y 14.4∆ 25Y 19.9∆ 34.5Y Drop Down Menu Transformer Connection 1ph 3ph GrdWye-GrdWye 3ph Open Wye-Delta 3ph Delta-GrdWye 3ph Delta-Delta Customer Owned Transformer Drop Down Menu Xfmr Type Pole Mount Padmount Drop Down Menu Do we need number of phases here? We have voltage which is on "Request Form (Customer)" page. Or can we get rid of voltage? Do not need this list I referenced drop down to list on "Request Form (Customer)" Secondary Voltage 480Y/277 208Y/120 480 Delta 408Y/277 2400 240 Delta 120/240 Single Phase 277 Do not need this list Xfmr Size Single Phase 5 10 15 25 37.5 50 100 167 250 333 500 Three Phase 75 112.5 150 225 500 750 1000 1500 2000 2500 3750 5000 Three Phase Banks 1 2 Short Circuit Transformer Bus Current Assuming an Infinite Bus1 Table 1: 480Y/277 Three Phase Pad Mounted Transformer Transformer kVA 75 112.5 150 225 300 500 750 1000 1500 2000 2500 Table 2: 208Y/120 Three-Phase, Pad-Mounted Transformer Transformer kVA 75 112.5 150 225 300 500 750 1000 Table 3: 120/240 Single-Phase, Pad-Mounted and Overhead Transformers Transformer kVA 10 25 50 75 100 167 250 333 500 Infinite Bus assumes unlimited primary short-circuit current. The power company's distribution system is constantly changing resulting in system impedances that change over time. An infinite bus eliminates the need to constantly re-evaluate short circuit current. Non-standard transformer Table 4: Single-Phase Overhead Transformers used to create 480Y/277 banks Transformer kVA 25 37.5 50 75 100 167 250 333 Table 5: Single-Phase Overhead Transformers used to create three phase banks 208Y/120, 240 Closed Delta, 240 Open Delta Transformer kVA 25 37.5 50 75 100 167 500 Table 6: 480/240 Single-Phase, Pad-Mounted and Overhead Transformers Transformer kVA 10 25 50 75 100 167 250 333 500 Stock Number 4710090 4700091 4700228 4700229 4700094 7991410 7991371 9174749 7992507 4700159 9175845 Stock Number 7991359 4700211 4730212 7991903 4700214 9175340 7999497 8004518 Stock Number N/A 4600612 9162314 4500356 9161902 N/A 4500115 4500116 4500108 Stock Number N/A N/A N/A 4500364 4500124 N/A N/A N/A Stock Number N/A 4500450 N/A 4500300 N/A N/A N/A Stock Number N/A N/A N/A N/A N/A N/A N/A N/A N/A Information provided by Manufacturer % IR 1.01 0.98 0.89 0.8 0.78 0.74 0.73 0.62 0.69 0.69 0.63 Information provided by Manufacturer % IR 1.16 0.83 1.17 1.4 0.81 0.83 0.85 0.83 Information provided by Manufacturer % IR N/A 0.92 0.8 0.97 0.98 N/A 0.7 0.67 0.65 Information provided by Manufacturer % IR 1.2 1.2 1 1 0.84 0.9 N/A N/A Information provided by Manufacturer % IR 1.2 1.43 1 0.97 0.86 0.9 1.1 Information provided by Manufacturer % IR 0.007975 1.26333333333333E-02 1.09333333333333E-02 0.0098 1.08766666666667E-02 0.00815 6.83666666666667E-03 6.38666666666667E-03 0.00632 %IX 2.92 2.52 2.97 3.74 3.66 3.88 5.68 5.74 5.65 5.62 5.65 %IX 2.49 2.18 3.03 2.46 3.11 3.53 5.79 5.89 %IX N/A 1.5 1.4 1.1 1.2 N/A 2.37 3.11 2.6 %IX 1.4 1.4 1.4 1.2 1.64 1.3 N/A N/A %IX 1.4 1.06 1.4 1.19 1.28 1.3 1.6 %IX 0.013625 1.57333333333333E-02 2.15666666666667E-02 2.19333333333333E-02 1.66011111111111E-02 2.81433333333333E-02 3.10383333333333E-02 0.03161 0.03187 X/R ratio 2.89108910891089 2.57142857142857 3.33707865168539 4.675 4.69230769230769 5.24324324324324 7.78082191780822 9.25806451612903 8.18840579710145 8.14492753623188 8.96825396825397 X/R ratio 2.14655172413793 2.62650602409639 2.58974358974359 1.75714285714286 3.84 4.25 6.81176470588235 7.09638554216868 X/R ratio N/A 1.6304347826087 1.75 1.1340206185567 1.22448979591837 N/A 3.38571428571429 4.64179104477612 4 X/R ratio 1.16666666666667 1.16666666666667 1.4 1.2 1.95238095238095 1.44444444444444 N/A N/A X/R ratio 1.16666666666667 0.741258741258741 1.4 1.22680412371134 1.48837209302326 1.44444444444444 1.45454545454545 X/R ratio 1.72396196992971 1.24594367370745 1.98619176771184 2.2468286099865 2.29584489532401 3.49881345019486 4.55839929557 5.0073332753523 5.04272151898734 Transformer %Z 1.62 2.7 3.18 3.52 1.61 1.94 5.63 5.45 5.46 5.66 5.39 Transformer %Z 2.7 2.33 3.2 2.7 1.75 2.17 5.8 5.95 Transformer %Z 1.16 1.7 1.6 1.49 1.51 1.55 2.5 3.2 2.7 Transformer %Z 1.84 1.84 1.72 1.55 1.51 1.58 1.7 1.6 Transformer %Z 1.84 1.78 1.72 1.54 1.54 1.58 1.9 Transformer %Z 0.0141 0.0176 0.0211 0.0234 0.0134 0.0217 0.029 0.031 0.032 Calculated Fault Current (Amps) 5575.18018982374 5017.66217084136 5680.37226887701 7697.54992117709 22439.2345528309 31037.0855928332 16042.2591607717 22096.126990861 33083.4868407123 42552.6120495381 55855.2375232805 Calculated Fault Current (Amps) 7719.48026283286 13417.9807143661 13026.6229435305 23158.4407884986 47640.2210506257 64032.5551755722 35935.5115683599 46706.0990692409 Calculated Fault Current (Amps) 3591.95402298851 6127.45098039216 13020.8333333333 20973.1543624161 27593.8189845475 44892.4731182796 41666.6666666667 43359.375 77160.4938271605 Calculated Fault Current (Amps) 4908.58255843177 7362.87383764765 10502.0836133889 17480.8875629312 23925.2765761972 38185.044267213 53128.1876912615 75189.6676300578 Calculated Fault Current (Amps) 11327.4982117656 17563.985991277 24235.577569359 40602.4611226923 54136.6148302564 88119.3329243377 219395.754838408 Calculated Fault Current (Amps) 1477.54137115839 2959.2803030303 4936.80884676145 6677.35042735043 15547.263681592 16033.0261136713 17959.7701149425 22379.0322580645 32552.0833333333 NEMA Short Circuit Ratings Panel 100 400 800 1600 3000 4000 Rating 10000 22000 22000 65000 85000 85000 For more information on Cooper Power Bay-o-net and Isolation Links see Cooper Power Catalog. Dual Sensing Bay-o-net fuses: Cooper Power Catalog Section 240-46 http://www.cooperindustries.com/content/dam/public/powersystems/resources/library/240_Fusing/24046.pdf Isolation Links: Cooper Power Catalog Section 240-47 http://www.cooperindustries.com/content/dam/public/powersystems/resources/library/240_Fusing/24047.PDF Dual Element Bay-o-net fuses: Cooper Power Catalog Section 240-48 http://www.cooperindustries.com/content/dam/public/powersystems/resources/library/240_Fusing/24048.pdf Modifications Made to Spreadsheet Date Description of Changes made to Spreadsheet Engineer Three Phase padmounts 480/277 SI# 4700090 4700226 4710090 9176439 4700092 4700228 4710092 7991368 4700229 4700093 4730093 4700094 4700230 4730094 7991369 4710094 1004125 4700095 7991370 7991410 9176751 7991358 7991371 4900117 9175803 7992849 9174236 9174749 9174319 1009571 7992507 7992508 9174400 9175845 Three Phase Padmounts 208/120 SI# 4700210 4700215 4710210 7991359 4700212 4700220 7991361 7991796 4700213 4700221 7991363 4700214 4700222 7991365 7991794 4700223 4700280 4730275 7991366 9175340 7999497 Single Phase Pole Mount 120/240 Single phase Pole Mount 277 volt Total# 37 11 3 10 31 20 3 10 5 12 10 41 26 3 3 3 2 43 8 2 6 36 1 1 5 2 44 1 19 1 2 1 19 1 Total# 90 18 3 5 113 27 17 3 9 3 3 80 22 14 4 11 49 2 7 1 6 Ordered 2 4 5 16 25 182 424 12 23 29 37 59 385 1403 11 14 15 19 22 118 550 5 11 11 113 9 17 1 3 6 Ordered 38 17 9 191 21 30 57 12 10 198 3 14 9 51 14 28 2 191 3 3 20 8 22 36 9 6 9 39 3 KVA 75 75 75 75 150 150 150 150 225 225 225 300 300 300 300 300 500 500 500 500 500 750 750 1000 1000 1000 1000 1000 1500 1500 1500 2500 2500 2500 KVA 75 75 75 75 150 150 150 150 225 225 225 300 300 300 300 500 500 500 500 500 750 KVA 10 10 10 10 10 10 10 25 25 25 25 25 25 25 50 50 50 50 50 50 50 75 75 75 75 100 100 167 167 167 KVA 10 10 10 10 15 15 25 25 25 25 25 38 38 50 50 50 50 50 50 50 75 75 75 75 75 100 100 100 167 HV Primary 12470GRD 12470GRD 24940GRD 34500GRD 12470GRD 12470GRD 24940GRD 20785GRD 12470GRD 12470GRD 12470GRD/24940 12470GRD 12470GRD 12470GRD 20785GRD 24940GRD 12470GRD/24940 12470GRD 20785GRD 13200GRD 34500GRD 12470GRD 20785GRD 7200GRDY/23470 20785GRD 34500GRD 12470GRD 12470GRD 12470GRD 12470GRD/24940 24940GRD 24940GRD 12470GRD 20785GRD HV Primary 12470GRD 12470GRD 24940GRD 20785GRD 12470GRD 12470GRD 20785GRD 13200GRD 12470GRD 12470GRD 20785GRD 12470GRD 12470GRD 20785GRD 13200GRD 12470GRD 12470GRD 12470GRD/24940 20785GRD 20785GRD-Radial 12470GRD Primary voltage 2400/4160Y 7620/13200Y 2400/4160YX7200/1247 14400/24940Y 19920/34500Y 12000/20780Y 7200/12470Y 2400/4160Y 7620/13200Y 2400/4160YX7200/1247 19920/34500Y 14400/24940Y 12000/20780Y 7200/12470Y 19920/34500Y 2400/4160YX7200/1247 14400/24940Y 7620/13200Y 2400/4160Y 12000/20780Y 7200/12470Y 7620/13200Y 12000/20780Y 2400/4160YX7200/1247 7200/12470Y 7200/12470Y 12000/20780Y 12000/20780Y 2400/4160Y 7200/12470Y Primary voltage 12000/20780Y 14400/24940Y 19920/34500Y 7200/12470Y 12000/20780Y 7200/12470Y 12000/20780Y 14400/24940Y 19920/34500Y 7200/12470Y 7620/13200Y 12000/20780Y 7200/12470Y 12000/20780Y 14400/24940Y 19920/34500Y 2400/4160Y 7200/12470Y 7200/12470YX14400/24 7620/13200Y 12000/20780Y 14400/24940Y 19920/34500Y 7200/12470Y 7620/13200Y 12000/20780Y 14400/24940Y 7200/12470Y 7200/12470Y LV Sevcondary 480Y/277 480Y/277 480Y/277 480Y/277 480Y/277 480Y/277 480Y/277 480Y/277 480Y/277 480Y/277 480Y/277 480Y/277 480Y/277 480Y/277 480Y/277 480Y/277 480Y/277 480Y/277 480Y/277 480Y/277 480Y/277 480Y/277 480Y/277 480Y/277 480Y/277 480Y/277 480Y/277 480Y/277 480Y/277 480Y/277 480Y/277 480Y/277 480Y/277 480Y/277 LV Sevcondary 208Y/120 208Y/120 208Y/120 208Y/120 208Y/120 208Y/120 208Y/120 208Y/120 208Y/120 208Y/120 208Y/120 208Y/120 208Y/120 208Y/120 208Y/120 208Y/120 208Y/120 208Y/120 208Y/120 208Y/120 208Y/120 Secondary V 120/240 120/240 120/240 120/240 120/240 120/240 120/240 120/240 120/240 120/240 120/240 120/240 120/240 120/240 120/240 120/240 120/240 120/240 120/240 120/240 120/240 120/240 120/240 120/240 120/240 120/240 120/240 120/240 120/240 120/240 Secondary V 277 277 277 277 277 277 277 277 277 277 277 277 277 277 277 277 277 277 277 277 277 277 277 277 277 277 277 277 277 %Z 3.78 3.77 1.62 1.93 3.47 3.18 3.34 3.3 3.52 3.84 4.04 1.61 1.99 4.09 4.61 1.64 4.57 3.08 4.56 1.94 5.01 5.72 5.63 5.64 5.81 5.9 5.75 5.45 5.8 5.53 5.46 5.74 5.64 5.39 %Z 4.13 4.43 3.15 3.05 3.28 3.23 3.69 3.49 3.84 3.84 3.36 1.75 1.86 3.54 4.36 2.23 2.35 5.04 5.17 2.17 5.8 %Z 1.68 1.72 2.05 2.07 2.64 2.19 1.79 2.38 2.6 2.52 3.13 2.65 2.46 2.47 2.08 1.81 2.35 1.77 2.61 2.5 2.35 2.31 2.44 2.07 2.12 1.6 2.39 2.2 1.55 1.87 %Z 1.96 2.15 2.26 2.03 2.25 1.78 2.24 1.96 2.83 2.44 2.57 2.4 2.74 2.45 1.87 2.13 1.6 2.18 2.4 1.89 2.57 2.06 2.18 1.89 2.03 2.39 1.87 1.63 2.16 %RES 1.29 1.26 0.99 0.76 1.23 1.04 1 1.17 0.9 0.94 1 0.98 0.9 0.94 0.91 0.95 0.97 0.92 0.98 1.04 1.08 0.88 0.9 0.82 0.82 0.89 0.82 0.81 0.7 0.8 0.71 0.6 0.61 0.55 %RES 1.35 1.47 1.28 1.15 1.1 1.12 1.17 1.11 0.99 0.98 1 0.99 0.96 1.01 0.95 1.13 1.07 0.94 0.89 0.81 0.82 %RES 1.16 1.11 1.37 1.36 1.54 1.34 1.34 1.24 1.29 1.19 1.34 1.15 1.03 1.15 0.76 0.74 0.95 0.76 1.19 0.93 0.92 0.94 0.92 0.9 0.93 0.59 0.68 0.68 0.74 0.67 %RES 1.26 1.5 1.45 1.49 1.28 1.15 1.03 0.93 1.27 1.17 1.31 0.86 1.04 0.89 0.72 0.84 1.01 0.88 0.93 0.91 0.92 0.8 0.87 0.79 0.85 0.65 0.6 0.59 0.57 Tap or No Tap NT T NT T NT T NT T T NT NT NT T NT T NT NT NT T T T T T T T T T T T T T T T T Tap or No Tap NT T NT T NT T T T NT T T NT T T T T NT T T T T Transformers in "RED" have the lowest impedances, they were chosen to calculated faut current. Overhead Transformer Fusing Single f, Three f Y, Open D (Standard DP 011) Transformer Size (kVA) 10 15 25 37.5 50 75 100 167 * High surge links (Chance MS, Kearny KS) System Voltage (kV) 1 f 3 f 2.4 2.4 D 4.16 Y 6T 8T 15T 20T 30T 40T 65T 100T 4.16 4.16 D 7.2 Y 3KS* 6T 8T 12T 15T 30T 40T 65T 7.2/7.62 7.2 D 7.62 D 12.47 Y 13.2 Y 2KS* 3KS* 6T 8T 10T 15T 20T 30T 12 12 D 20.8 Y 1KS* 2KS* 3KS* 6T 6T 8T 12T 20T 14.4 14.4 D 24.9 Y 1KS* 2KS* 3KS* 6T 6T 8T 10T 15T 19.9 19.9 D 34.5 Y 1KS* 1KS* 2KS* 3KS* 6T 6T 8T 12T Overhead Transformer Fusing Closed D Primary (Standard DP 011) Transformer Size (kVA) 3 f (3-10) (3-15) (3-25) (3-37.5) (3-50) (3-75) (3-100) (3-167) * High surge links (Chance MS, Kearny KS) System Voltage (kV) 2.4 10T 15T 25T 40T 50T 80T 100T 200T 4.16 6T 8T 15T 20T 30T 40T 65T 100T 7.2 3KS* 6T 8T 12T 15T 25T 30T 50T 12 2KS* 3KS* 6T 8T 10T 15T 20T 30T Underground Transformer Fusing Single Phase Transformers (Line-to-Grd Voltage) (Standard DP 121) Transformer Rating (kVA) 25 37.5 50 75 100 167 Note: DE = Dual Element (Cooper type 108), DS = Dual Sensing (Cooper type 358) Underground Transformer Fusing Three Phase Transformers (Line-to-Line Voltage) (Standard DP 131) Transformer Rating (kVA) 75 112.5 150 225 300 500 750 1000 1500 2000 2500 Note: DE = Dual Element (Cooper type 108), DS = Dual Sensing (Cooper type 358), CS = Current Sensing (Cooper type 353), HA = High Ampere (Cooper type 361) Terminal Pole Fusing for Unfused Transformer Three Phase Transformers (Line-to-Line Voltage) (Standard DP 161) Transformer Rating (kVA) 75 112 150 225 300 500 750 1000 1500 2000 2500 Note: Unfused = Transformers without internal fusing System Voltage (kV) 2.4 25DE 40DE 50DE 65DS 65DS 140DS System Voltage (kV) 4.16 25DE 50DE 65DS 65DS 65DS System Voltage (kV) 4.16 100T 140T 7.2 6DE 12DE 15DE 25DE 25DE 50DE 7.2 12DE 15DE 25DE 40DE 50DE 65DS 12.47 65T 65T 100T 150E 175E 7.6 6DE 12DE 15DE 25DE 25DE 50DE 12.47 6DE 12DE 15DE 25DE 25DE 50DE 65DS 65DS 125HA 125HA 125HA 20.8 40T 65T 65T 100T 100T 12 5DE 8DE 12DE 15DE 15DE 40DE 20.8 5DE 8DE 12DE 15DE 25DE 40DE 50DE 65DE 65DS 100CS 125HA 24.9 40T 65T 65T 100T 100T 14.4 5DE 6DE 8DE 12DE 15DE 25DE 24.9 5DE 6DE 12DE 12DE 40DE 40DE 50DE 65DE 65DS 100CS 34.5 25T 40T 40T 65T 65T 19.9 3DS 5DE 5DE 8DE 12DE 15DE 34.5 3DE 5DE 5DE 8DE 12DE 15DE 25DS 25DS 50DS 100CS